...if you mounted in Toast, Rosetta stone will recognize the .iso as a mounted CD. Once it's loaded, you won't need to mount the files again. It's permanently loaded in Rosetta stone.

For Mac and Windows. if you don't have toast, you can probably burn the .iso files to CDs and load that way, but I have no tested this out yet.Download Filesonic.com Fileserve.com Megaupload.com Rapidshare.com...